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#pragma once
#include "api/plugin-api.hpp"
#include "ui_ftnoir_ewma_filtercontrols.h"
#include <QWidget>
#include <QMutex>
#include "options/options.hpp"
#include "compat/timer.hpp"
using namespace options;
struct settings : opts {
// these are sadly sliders for now due to int/double mismatch -sh
value<slider_value> kMinSmoothing, kMaxSmoothing, kSmoothingScaleCurve;
settings() :
opts("ewma-filter"),
kMinSmoothing(b, "min-smoothing", { .02, .01, 1 }),
kMaxSmoothing(b, "max-smoothing", { .7, .01, 1 }),
kSmoothingScaleCurve(b, "smoothing-scale-curve", { .8, .1, 5 })
{}
};
class ewma : public IFilter
{
public:
ewma();
void filter(const double *input, double *output) override;
void center() override { first_run = true; }
module_status initialize() override { return status_ok(); }
private:
// Deltas are smoothed over the last 1/60sec.
static constexpr double delta_RC = 1./60;
// Noise is smoothed over the last 60sec.
static constexpr double noise_RC_max = 60.0;
double noise_RC = 0.0;
double last_delta[6];
double last_noise[6];
double last_output[6];
Timer timer;
settings s;
bool first_run = true;
};
class dialog_ewma: public IFilterDialog
{
Q_OBJECT
public:
dialog_ewma();
void register_filter(IFilter*) override {}
void unregister_filter() override {}
private:
Ui::UICdialog_ewma ui;
settings s;
private slots:
void doOK();
void doCancel();
};
class ewmaDll : public Metadata
{
Q_OBJECT
QString name() { return tr("EWMA"); }
QIcon icon() { return QIcon(":/images/filter-16.png"); }
};
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